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P0150 Diagnostic Trouble Code Discussion for May 2005

Air Fuel Sensor (Bank 2 Sensor 1) Closed Loop Performance

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Trouble Ticket Help Requests for DTC P0150
Help Request Posted
1998 Lexus GS400 4.0L MIL Lamp on VIN: JT8BH68X5W
P0150: Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction. car came in for starter replacement.starter was under intake manifold.replaced starter and intake gaskets.customer drove car away,everything fine except mil light came on.ran diagnostics,4 codes refering to oxygen sensors.o2 connections look ok,can find no vac...
May 04, 2005